SHASHI KARIYAWASAM
NPI 1902216088
Internal Medicine in Danbury, CT

Active since April 29, 2014PECOS EnrolledAccepts Medicare Assignment
24 HOSPITAL AVE, DANBURY, CT 06810(203) 770-4475 Get Directions Write a Review

NPPES record last updated: May 14, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: May 14, 2026, Jul 28, 2017 (2 updates tracked since 2017).

About Shashi Kariyawasam NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

SHASHI KARIYAWASAM (NPI 1902216088) is an individual internal medicine provider in Danbury, Connecticut, licensed in Illinois (036156471) and active in the NPI registry since April 2014. She is enrolled in Medicare PECOS, is affiliated with Carle Foundation Hospital, and is a graduate of Other (2013).

NPPES Registry Identity

NPI1902216088
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameSHASHI KARIYAWASAM
Location Address24 HOSPITAL AVEDanbury, CT 06810-6099
Mailing Address8 Rose Ln Apt 10-14Danbury, CT 06811-6725 · (203) 770-4475
Sole ProprietorYes
Medical School CMSOtherGraduated 2013
Enumeration DateApril 29, 2014
Last NPPES UpdateMay 14, 20262 updates tracked since enumeration
NPPES CertifiedMay 14, 2026
NPI 1902216088 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Licenses Licensed in IL · 036156471 Licensed in CT · 56670
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedInternal Medicine · Critical Care MedicineTaxonomy 207RC0200X · License 036156471 (IL)
Also ListedInternal Medicine · Pulmonary DiseaseTaxonomy 207RP1001X · License 036156471 (IL)
24 HOSPITAL AVE, Danbury, CT 06810

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Shashi Kariyawasam is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID1951690817
PECOS Enrollment IDI20210917002747
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 10

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
125 services72 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
80 services61 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
68 services42 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
61 services58 patients
Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
38 services21 patients
Test to determine lung volumes using sensors 94726
This test, called spirometry, measures lung capacity using sensors. You breathe into a mouthpiece attached to a device that records the amount and rate of air you inhale and exhale. It helps diagnose and monitor lung conditions.
34 services34 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Carle Foundation Hospital

Acute Care Hospitals · Urbana, IL
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140091
Location611 West Park StreetUrbana, IL 61801 · Champaign County
Emergency services Birthing friendly

Osf Sacred Heart Medical Center

Acute Care Hospitals · Danville, IL
1/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number140093
Location812 N Logan AveDanville, IL 61832 · Vermilion County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 06810 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$138.84 typical visit price
range $60.82 – $183.10
Typical copayment $34.71 (range $15.20 – $45.77)
Most-billed visit code 99204
Established Patient
$106.68 typical visit price
range $19.76 – $149.26
Typical copayment $26.67 (range $4.94 – $37.31)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims 3

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Nebulizer, with compressor E0570
DME-Other DME · category DE000N
1 supplier19 claims19 services$7.55 avg. paid by Medicare
Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
4 suppliers53 claims53 services$101.03 avg. paid by Medicare
Portable gaseous oxygen system, rental; home compressor used to fill portable oxygen cylinders; includes portable containers, regulator, flowmeter, humidifier, cannula or mask, and tubing K0738
DME-Oxygen and Supplies · category DC000N
2 suppliers15 claims15 services$38.14 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Emergency Medicine
24 HOSPITAL AVE
DANBURY, CT 06810
Nurse Anesthetist, Certified Registered
24 HOSPITAL AVE
DANBURY, CT 06810
Student in an Organized Health Care Education/Training Program
24 HOSPITAL AVE
DANBURY, CT 06810
Physician Assistant (Surgical)
24 HOSPITAL AVE
DANBURY, CT 06810
Nurse Practitioner (Acute Care)
24 HOSPITAL AVE
DANBURY, CT 06810
Anesthesiology
24 HOSPITAL AVE
DANBURY, CT 06810
Internal Medicine
24 HOSPITAL AVE
DANBURY, CT 06810
Emergency Medicine
24 HOSPITAL AVE
DANBURY, CT 06810

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Shashi Kariyawasam's NPI number?

The NPI number for Shashi Kariyawasam is 1902216088. It was assigned to this individual provider in the NPPES registry on April 29, 2014.

Where is Shashi Kariyawasam located?

Shashi Kariyawasam practices at 24 Hospital Ave, Danbury, CT 06810. The listed phone number is (203) 770-4475.

What is Shashi Kariyawasam's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Shashi Kariyawasam enrolled in Medicare?

Yes. Shashi Kariyawasam is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is Shashi Kariyawasam affiliated with any hospitals?

According to CMS data, Shashi Kariyawasam is affiliated with Carle Foundation Hospital and Osf Sacred Heart Medical Center.

When was this NPI record last updated?

The NPPES record for Shashi Kariyawasam was last updated on May 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.